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All results from a given calculation for C2H4S (Thiirane)

using model chemistry: HSEh1PBE/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HSEh1PBE/cc-pVDZ
 hartrees
Energy at 0K-476.577006
Energy at 298.15K-476.581466
HF Energy-476.577006
Nuclear repulsion energy100.990861
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at HSEh1PBE/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3143 3023 11.14      
2 A1 1473 1417 2.71      
3 A1 1168 1123 2.25      
4 A1 1035 995 0.54      
5 A1 671 646 24.45      
6 A2 3233 3110 0.00      
7 A2 1179 1134 0.00      
8 A2 887 853 0.00      
9 B1 3247 3123 4.00      
10 B1 950 914 4.90      
11 B1 829 797 0.62      
12 B2 3140 3021 11.41      
13 B2 1438 1383 0.97      
14 B2 1054 1014 26.59      
15 B2 704 677 0.32      

Unscaled Zero Point Vibrational Energy (zpe) 12074.9 cm-1
Scaled (by 0.9619) Zero Point Vibrational Energy (zpe) 11614.9 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at HSEh1PBE/cc-pVDZ
ABC
0.73466 0.35886 0.26728

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.866
C2 0.000 0.740 -0.796
C3 0.000 -0.740 -0.796
H4 -0.922 1.258 -1.075
H5 0.922 1.258 -1.075
H6 0.922 -1.258 -1.075
H7 -0.922 -1.258 -1.075

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7
S11.81951.81952.48972.48972.48972.4897
C21.81951.47981.09351.09352.21802.2180
C31.81951.47982.21802.21801.09351.0935
H42.48971.09352.21801.84363.11942.5163
H52.48971.09352.21801.84362.51633.1194
H62.48972.21801.09353.11942.51631.8436
H72.48972.21801.09352.51633.11941.8436

picture of Thiirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 66.005 S1 C2 H4 115.169
S1 C2 H5 115.169 S1 C3 C2 66.005
S1 C3 H6 115.169 S1 C3 H7 115.169
C2 S1 C3 47.990 C2 C3 H6 118.288
C2 C3 H7 118.288 C3 C2 H4 118.288
C3 C2 H5 118.288 H4 C2 H5 114.912
H6 C3 H7 114.912
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.114      
2 C -0.113      
3 C -0.113      
4 H 0.085      
5 H 0.085      
6 H 0.085      
7 H 0.085      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -1.912 1.912
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.833 0.000 0.000
y 0.000 -24.278 0.000
z 0.000 0.000 -26.004
Traceless
 xyz
x -0.692 0.000 0.000
y 0.000 1.640 0.000
z 0.000 0.000 -0.949
Polar
3z2-r2-1.897
x2-y2-1.555
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.970 0.000 0.000
y 0.000 5.064 0.000
z 0.000 0.000 6.408


<r2> (average value of r2) Å2
<r2> 56.374
(<r2>)1/2 7.508